A strong coastal storm combined with anomalously cold temperatures to bring a record breaking snowfall and more than two inches of much needed liquid precipitation to the summit of Great Blue Hill on April 16th, 2021. Rain began during the night, and snow started mixing with rain just before the 7AM EST observation. By 7:30AM, the […]
Blue Hill Observatory March 2021 Summary: March was warmer, drier, less snowy, and much sunnier than average. The 24-hour adjusted mean temperature for the month of 39.2 deg F was 4.7 degrees warmer than the 1891-2020 130-year average for March, and it was 3.4 degrees warmer than the 1981-2010 30-year average. The average maximum temperature […]
We are excited to announce that the major Observatory renovation project, which has been in the planning stages for several years, is underway. Extensive work will start in June that will require that we close to the public until some time in 2022. The building will get a much-needed rehab including concrete repair, historically appropriate […]
Dave Cook, our dear friend and long-time Board member of the Blue Hill Observatory and Science Center, most regrettably passed away in 2020 at the age of 82. He was a brilliant engineer, avid skier and sailor, MIT and Harvard Business School graduate, and dedicated philanthropist. He gave his time and expertise happily to further […]
Our immersive summer meteorology workshop is for students who have an interest in the weather and wish to explore careers in meteorology and atmospheric science with professional meteorologists and scientists. Participants in our week-long immersion workshop will: Receive inspirational guidance from Tim Kelley, NBC Boston/NECN meteorologist, through discussions on his insights and passions for weather. […]
This report is an updated summary of the extensive annual and seasonal climate records of the Blue Hill Observatory that also documents the changes that have occurred in several key parameters over the entire period of record. This document is also available as a downloadable PDF file.
Blue Hill Observatory has been watching the weather since 1885, and Boston College’s Weston Observatory has been watching the Earth quake since 1931. We are now joining forces to monitor the Earth with a recently installed seismograph at Blue Hill. In collaboration with Dr. Alan Kafka, Director of Weston Observatory, Blue Hill purchased and installed […]
Imagine, Blue Hill Observatory’s first weather observations were made on February 1, 1885 at the top of Great Blue Hill— from that day on we have maintained an unbroken recording of the weather! Considered a remarkable resource, Blue Hill Observatory’s data is the most homogeneous climate record in North America and is a benchmark station […]
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March 2021 Summary – Warmer and Drier Than Average and Sunniest on Record
Blue Hill Observatory March 2021 Summary: March was warmer, drier, less snowy, and much sunnier than average. The 24-hour adjusted mean temperature for the month of 39.2 deg F was 4.7 degrees warmer than the 1891-2020 130-year average for March, and it was 3.4 degrees warmer than the 1981-2010 30-year average. The average maximum temperature […]
Winter 2020-2021 Summary – Warmer, Wetter and Snowier Than Average
Blue Hill ObservatoryWinter 2020-2021 Summary: The winter (December-February) season was generally warm with a few cold periods and with above average precipitation and snowfall. The 24-hour mean temperature for the winter of 30.5 deg F was 3.0 degrees warmer than the 130-year winter average and 1.5 degrees warmer than the 1981-2010 30-year average. The average […]
Daily Record Snowfall at the Observatory on April 16th
A strong coastal storm combined with anomalously cold temperatures to bring a record breaking snowfall and more than two inches of much needed liquid precipitation to the summit of Great Blue Hill on April 16th, 2021. Rain began during the night, and snow started mixing with rain just before the 7AM EST observation. By 7:30AM, the […]
Observatory Open for Tours Through Late May/Early June 2021
We are excited to announce that the major Observatory renovation project, which has been in the planning stages for several years, is underway. Extensive work will start in June that will require that we close to the public until some time in 2022. The building will get a much-needed rehab including concrete repair, historically appropriate […]
State of the Climate at Blue Hill Observatory: 2020
This report is an updated summary of the extensive annual and seasonal climate records of the Blue Hill Observatory that also documents the changes that have occurred in several key parameters over the entire period of record. This document is also available as a downloadable PDF file.
Small Local Earthquake Observed on November 8th
Shortly after 9 AM EST on Sunday, November 8th, 2020 a small 3.6 magnitude earthquake shook parts of southeastern New England. The epicenter was about 6.2 miles below ground under Buzzard’s Bay and just offshore of Bliss Corner, in Dartmouth, Massachusetts. The earthquake was recorded on the seismographs at the Blue Hill Observatory and other […]
November Record Warmth at Blue Hill
A period of unseasonably warm weather that arrived on Thursday, November 5th has brought several daily record high temperatures to the Observatory. The new records observed through November 11th are: 11/06/2020: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 72F, BREAKS PREVIOUS RECORD OF 71F SET IN 1959 AND 201511/07/2020: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 75F, TIES PREVIOUS […]
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